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I have Yanmar 370s 6lya-STP engines. I have a soot problem
I have Yanmar 370s 6lya-STP engines. I have a soot problem that I desperately need some assistance with. I'm getting soot on the transom and the lower rear part of the vessel. Is there anything I can … read more
Jason
Jason
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Need some advice on a pontoon boat prop. I have a 2015
Hi! Need some advice on a pontoon boat prop. I have a 2015 sylvan s3 pontoon with a 150 mercury 4 stroke engine. My wot is 4300 with a 3 blade aluminum 15.25 x15 prop. max speed 29 MPH. I know the max… read more
Charles
Charles
Certified Mercury Tech
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Just checking. What do you charge? How much is 'the rest?'
How much is 'the rest?' Is it per inquiry or membership? … read more
Charles
Charles
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Was looking guidance on my mercruiser 6.2 l serial
Hi was looking for some guidance on my mercruiser 6.2 l serial # ***** Engine runs fine but doesn't get past 3900 tons at wot Ran scan tool at idle and under power on the water at wot. Have data, but … read more
Jason
Jason
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I have a 2006 Mercruiser 350 MPI with Bravo III drive and SS
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Tan
Tan
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I am looking at purchasing a 2004, 28 Albemarle Express with
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Jason
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Is there really any noticeable difference or even a slight
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orcamarine
orcamarine
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I have two Volvo Penta KAMD 44 marine engines in my 2001 Princess
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Jason
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Hi, I have a 30 Doral with 2 4.3lx V6 and 2 sets of propellers the
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Jason
Jason
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Hey Man, How are you We had hurricane Igor come through Bermuda
Hey Man, How are you? We had hurricane Igor come through Bermuda shortly after you answered my question about the fuel supply. I had the boat pulled and have not had a chance to try out your new solut… read more
Yachtwork
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83 Carver 28 with twin 305s crusader model 220 running at
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Noel Schembri
Noel Schembri
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jUST PICKED UP A 83 Carver 28ft Mariner. Boat was very well
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Dominick
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I have a 2001 Evenrude 135 horsepower E-tec 2 cycle engine
I have a 2001 Evenrude 135 horsepower E-tec 2 cycle engine and it runs great but I am only pulling 3900 RPM. The current prop is a 15 x 17 and I have this on a 20' center consol T-top 204 Angler fishi… read more
Captain Dave
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I have a 26 Carver with the Alpha 1 outdrive. It weighs about
I have a 26' Carver with flybridge with the Alpha 1 outdrive. It weighs about 7200#. I'm trying to get some speed and efficiency, it used to run about 25 mph at 3400, now I am lucky to get 20 mph at 3… read more
James
James
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hello i have a 1984 19 fibrglass boat with a mercruiser 140
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Master Tech
Master Tech
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I have a bayliner 2556 motor cruiser, with a mercruiser D3-6Ldiesel
I have a bayliner 2556 motor cruiser, with a mercruiser D3-6Ldiesel engine with a bravo 2 leg. I can only achieve about 15 knots and a maximum of 3400RPM. Propleller and bottom have all been checked. … read more
capt ron 1959
capt ron 1959
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Carver 350 Mariner. 2001. only 195 hrs. Momentary top RPM 4,300.
Carver 350 Mariner. 2001. only 195 hrs. Momentary top RPM 4,300. Cruise at 3,800 RPM getting 16 knots. Only 0.5 mpg?? Hull is clean. At 105 hrs: starboard engine with burn valve, pulverized........new… read more
mercmastertech
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I have volvo penta 63p engines in my 2004 carver 444 i have
I have volvo penta 63p engines in my 2004 carver 444 i have the correct prop and cup and the boat bottom is clean as a whistle. Carver says I should be hitting max rpm of 2860 but I max out at 2600 an… read more
Dr. Joe
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Meet the Experts:

Ted G.

Ted G.

Marine Mechanic

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40 years experience, Safe boating instruct., Failure Analysis, Expert Witness

Dominick

Dominick

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25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

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11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

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42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Noel Schembri

Noel Schembri

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Advanced technical diploma

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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